#ifndef CHAR_BIT
# define CHAR_BIT 8
#endif
+/* Maximum number of bytes to which a byte can grow due to upgrade */
+#define UTF8_EXPAND 2
/*
* Offset for integer pack/unpack.
#define PACK_SIZE_UNPREDICTABLE 0x40 /* Not a fixed size element */
#define PACK_SIZE_MASK 0x3F
-
-struct packsize_t {
- const unsigned char *array;
- int first;
- int size;
-};
-
-#define PACK_SIZE_NORMAL 0
-#define PACK_SIZE_SHRIEKING 1
-
/* These tables are regenerated by genpacksizetables.pl (and then hand pasted
in). You're unlikely ever to need to regenerate them. */
+
+#if TYPE_IS_SHRIEKING != 0x100
+ ++++shriek offset should be 256
+#endif
+
+typedef U8 packprops_t;
#if 'J'-'I' == 1
/* ASCII */
-unsigned char size_normal[53] = {
- /* C */ sizeof(unsigned char),
+const packprops_t packprops[512] = {
+ /* normal */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0,
+ /* C */ sizeof(unsigned char) | PACK_SIZE_UNPREDICTABLE,
#if defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
- /* D */ LONG_DOUBLESIZE,
+ /* D */ LONG_DOUBLESIZE,
#else
- 0,
+ 0,
#endif
- 0,
- /* F */ NVSIZE,
- 0, 0,
- /* I */ sizeof(unsigned int),
- /* J */ UVSIZE,
- 0,
- /* L */ SIZE32,
- 0,
- /* N */ SIZE32,
- 0, 0,
+ 0,
+ /* F */ NVSIZE,
+ 0, 0,
+ /* I */ sizeof(unsigned int),
+ /* J */ UVSIZE,
+ 0,
+ /* L */ SIZE32,
+ 0,
+ /* N */ SIZE32,
+ 0, 0,
#if defined(HAS_QUAD)
- /* Q */ sizeof(Uquad_t),
+ /* Q */ sizeof(Uquad_t),
#else
- 0,
+ 0,
#endif
- 0,
- /* S */ SIZE16,
- 0,
- /* U */ sizeof(char) | PACK_SIZE_UNPREDICTABLE,
- /* V */ SIZE32,
- /* W */ sizeof(unsigned char) | PACK_SIZE_UNPREDICTABLE,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- /* c */ sizeof(char),
- /* d */ sizeof(double),
- 0,
- /* f */ sizeof(float),
- 0, 0,
- /* i */ sizeof(int),
- /* j */ IVSIZE,
- 0,
- /* l */ SIZE32,
- 0,
- /* n */ SIZE16,
- 0,
- /* p */ sizeof(char *) | PACK_SIZE_CANNOT_CSUM,
+ 0,
+ /* S */ SIZE16,
+ 0,
+ /* U */ sizeof(char) | PACK_SIZE_UNPREDICTABLE,
+ /* V */ SIZE32,
+ /* W */ sizeof(unsigned char) | PACK_SIZE_UNPREDICTABLE,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ /* c */ sizeof(char),
+ /* d */ sizeof(double),
+ 0,
+ /* f */ sizeof(float),
+ 0, 0,
+ /* i */ sizeof(int),
+ /* j */ IVSIZE,
+ 0,
+ /* l */ SIZE32,
+ 0,
+ /* n */ SIZE16,
+ 0,
+ /* p */ sizeof(char *) | PACK_SIZE_CANNOT_CSUM,
#if defined(HAS_QUAD)
- /* q */ sizeof(Quad_t),
+ /* q */ sizeof(Quad_t),
#else
- 0,
+ 0,
#endif
- 0,
- /* s */ SIZE16,
- 0, 0,
- /* v */ SIZE16,
- /* w */ sizeof(char) | PACK_SIZE_UNPREDICTABLE | PACK_SIZE_CANNOT_CSUM,
-};
-unsigned char size_shrieking[46] = {
- /* I */ sizeof(unsigned int),
- 0, 0,
- /* L */ sizeof(unsigned long),
- 0,
+ 0,
+ /* s */ SIZE16,
+ 0, 0,
+ /* v */ SIZE16,
+ /* w */ sizeof(char) | PACK_SIZE_UNPREDICTABLE | PACK_SIZE_CANNOT_CSUM,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ /* shrieking */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ /* I */ sizeof(unsigned int),
+ 0, 0,
+ /* L */ sizeof(unsigned long),
+ 0,
#if defined(PERL_PACK_CAN_SHRIEKSIGN)
- /* N */ SIZE32,
+ /* N */ SIZE32,
#else
- 0,
+ 0,
#endif
- 0, 0, 0, 0,
- /* S */ sizeof(unsigned short),
- 0, 0,
+ 0, 0, 0, 0,
+ /* S */ sizeof(unsigned short),
+ 0, 0,
#if defined(PERL_PACK_CAN_SHRIEKSIGN)
- /* V */ SIZE32,
+ /* V */ SIZE32,
#else
- 0,
+ 0,
#endif
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- /* i */ sizeof(int),
- 0, 0,
- /* l */ sizeof(long),
- 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0,
+ /* i */ sizeof(int),
+ 0, 0,
+ /* l */ sizeof(long),
+ 0,
#if defined(PERL_PACK_CAN_SHRIEKSIGN)
- /* n */ SIZE16,
+ /* n */ SIZE16,
#else
- 0,
+ 0,
#endif
- 0, 0, 0, 0,
- /* s */ sizeof(short),
- 0, 0,
+ 0, 0, 0, 0,
+ /* s */ sizeof(short),
+ 0, 0,
#if defined(PERL_PACK_CAN_SHRIEKSIGN)
- /* v */ SIZE16
+ /* v */ SIZE16,
#else
- 0
+ 0,
#endif
-};
-struct packsize_t packsize[2] = {
- {size_normal, 67, 53},
- {size_shrieking, 73, 46}
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0
};
#else
/* EBCDIC (or bust) */
-unsigned char size_normal[100] = {
- /* c */ sizeof(char),
- /* d */ sizeof(double),
- 0,
- /* f */ sizeof(float),
- 0, 0,
- /* i */ sizeof(int),
- 0, 0, 0, 0, 0, 0, 0,
- /* j */ IVSIZE,
- 0,
- /* l */ SIZE32,
- 0,
- /* n */ SIZE16,
- 0,
- /* p */ sizeof(char *) | PACK_SIZE_CANNOT_CSUM,
+const packprops_t packprops[512] = {
+ /* normal */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0,
+ /* c */ sizeof(char),
+ /* d */ sizeof(double),
+ 0,
+ /* f */ sizeof(float),
+ 0, 0,
+ /* i */ sizeof(int),
+ 0, 0, 0, 0, 0, 0, 0,
+ /* j */ IVSIZE,
+ 0,
+ /* l */ SIZE32,
+ 0,
+ /* n */ SIZE16,
+ 0,
+ /* p */ sizeof(char *) | PACK_SIZE_CANNOT_CSUM,
#if defined(HAS_QUAD)
- /* q */ sizeof(Quad_t),
+ /* q */ sizeof(Quad_t),
#else
- 0,
+ 0,
#endif
- 0, 0, 0, 0, 0, 0, 0, 0, 0,
- /* s */ SIZE16,
- 0, 0,
- /* v */ SIZE16,
- /* w */ sizeof(char) | PACK_SIZE_UNPREDICTABLE | PACK_SIZE_CANNOT_CSUM,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0,
- /* C */ sizeof(unsigned char),
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ /* s */ SIZE16,
+ 0, 0,
+ /* v */ SIZE16,
+ /* w */ sizeof(char) | PACK_SIZE_UNPREDICTABLE | PACK_SIZE_CANNOT_CSUM,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ /* C */ sizeof(unsigned char) | PACK_SIZE_UNPREDICTABLE,
#if defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
- /* D */ LONG_DOUBLESIZE,
+ /* D */ LONG_DOUBLESIZE,
#else
- 0,
+ 0,
#endif
- 0,
- /* F */ NVSIZE,
- 0, 0,
- /* I */ sizeof(unsigned int),
- 0, 0, 0, 0, 0, 0, 0,
- /* J */ UVSIZE,
- 0,
- /* L */ SIZE32,
- 0,
- /* N */ SIZE32,
- 0, 0,
+ 0,
+ /* F */ NVSIZE,
+ 0, 0,
+ /* I */ sizeof(unsigned int),
+ 0, 0, 0, 0, 0, 0, 0,
+ /* J */ UVSIZE,
+ 0,
+ /* L */ SIZE32,
+ 0,
+ /* N */ SIZE32,
+ 0, 0,
#if defined(HAS_QUAD)
- /* Q */ sizeof(Uquad_t),
+ /* Q */ sizeof(Uquad_t),
#else
- 0,
+ 0,
#endif
- 0, 0, 0, 0, 0, 0, 0, 0, 0,
- /* S */ SIZE16,
- 0,
- /* U */ sizeof(char) | PACK_SIZE_UNPREDICTABLE,
- /* V */ SIZE32,
- /* W */ sizeof(unsigned char) | PACK_SIZE_UNPREDICTABLE,
-};
-unsigned char size_shrieking[93] = {
- /* i */ sizeof(int),
- 0, 0, 0, 0, 0, 0, 0, 0, 0,
- /* l */ sizeof(long),
- 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ /* S */ SIZE16,
+ 0,
+ /* U */ sizeof(char) | PACK_SIZE_UNPREDICTABLE,
+ /* V */ SIZE32,
+ /* W */ sizeof(unsigned char) | PACK_SIZE_UNPREDICTABLE,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ /* shrieking */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ /* i */ sizeof(int),
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ /* l */ sizeof(long),
+ 0,
#if defined(PERL_PACK_CAN_SHRIEKSIGN)
- /* n */ SIZE16,
+ /* n */ SIZE16,
#else
- 0,
+ 0,
#endif
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- /* s */ sizeof(short),
- 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ /* s */ sizeof(short),
+ 0, 0,
#if defined(PERL_PACK_CAN_SHRIEKSIGN)
- /* v */ SIZE16,
+ /* v */ SIZE16,
#else
- 0,
+ 0,
#endif
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0,
- /* I */ sizeof(unsigned int),
- 0, 0, 0, 0, 0, 0, 0, 0, 0,
- /* L */ sizeof(unsigned long),
- 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0,
+ /* I */ sizeof(unsigned int),
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ /* L */ sizeof(unsigned long),
+ 0,
#if defined(PERL_PACK_CAN_SHRIEKSIGN)
- /* N */ SIZE32,
+ /* N */ SIZE32,
#else
- 0,
+ 0,
#endif
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- /* S */ sizeof(unsigned short),
- 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ /* S */ sizeof(unsigned short),
+ 0, 0,
#if defined(PERL_PACK_CAN_SHRIEKSIGN)
- /* V */ SIZE32
+ /* V */ SIZE32,
#else
- 0
+ 0,
#endif
-};
-struct packsize_t packsize[2] = {
- {size_normal, 131, 100},
- {size_shrieking, 137, 93}
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
#endif
if (from > end) from = end;
}
if ((bad & 2) && ckWARN(WARN_UNPACK))
- Perl_warner(aTHX_ packWARN(datumtype & TYPE_IS_PACK ?
+ Perl_warner(aTHX_ packWARN(datumtype & TYPE_IS_PACK ?
WARN_PACK : WARN_UNPACK),
"Character(s) in '%c' format wrapped in %s",
- (int) TYPE_NO_MODIFIERS(datumtype),
+ (int) TYPE_NO_MODIFIERS(datumtype),
datumtype & TYPE_IS_PACK ? "pack" : "unpack");
}
*s = from;
#define GROWING(utf8, cat, start, cur, in_len) \
STMT_START { \
STRLEN glen = (in_len); \
- if (utf8) glen *= 2; \
+ if (utf8) glen *= UTF8_EXPAND; \
if ((cur) + glen >= (start) + SvLEN(cat)) { \
(start) = sv_exp_grow(aTHX_ cat, glen); \
(cur) = (start) + SvCUR(cat); \
STMT_START { \
STRLEN glen = (in_len); \
STRLEN gl = glen; \
- if (utf8) gl *= 2; \
+ if (utf8) gl *= UTF8_EXPAND; \
if ((cur) + gl >= (start) + SvLEN(cat)) { \
*cur = '\0'; \
SvCUR(cat) = (cur) - (start); \
while (next_symbol(symptr)) {
I32 len;
int star, size;
- int which = (symptr->code & TYPE_IS_SHRIEKING) ?
- PACK_SIZE_SHRIEKING : PACK_SIZE_NORMAL;
- int offset = TYPE_NO_MODIFIERS(symptr->code) - packsize[which].first;
switch (symptr->howlen) {
- case e_star:
+ case e_star:
Perl_croak(aTHX_ "Within []-length '*' not allowed in %s",
symptr->flags & FLAG_PACK ? "pack" : "unpack" );
break;
break;
}
- if ((offset >= 0) && (offset < packsize[which].size))
- size = packsize[which].array[offset] & PACK_SIZE_MASK;
- else
- size = 0;
-
+ size = packprops[TYPE_NO_ENDIANNESS(symptr->code)] & PACK_SIZE_MASK;
if (!size) {
/* endianness doesn't influence the size of a type */
switch(TYPE_NO_ENDIANNESS(symptr->code)) {
size = 0;
break;
case '(':
- {
- tempsym_t savsym = *symptr;
- symptr->patptr = savsym.grpbeg;
- symptr->patend = savsym.grpend;
- /* XXXX Theoretically, we need to measure many times at
- different positions, since the subexpression may contain
- alignment commands, but be not of aligned length.
- Need to detect this and croak(). */
- size = measure_struct(symptr);
- *symptr = savsym;
- break;
- }
+ {
+ tempsym_t savsym = *symptr;
+ symptr->patptr = savsym.grpbeg;
+ symptr->patend = savsym.grpend;
+ /* XXXX Theoretically, we need to measure many times at
+ different positions, since the subexpression may contain
+ alignment commands, but be not of aligned length.
+ Need to detect this and croak(). */
+ size = measure_struct(symptr);
+ *symptr = savsym;
+ break;
+ }
case 'X' | TYPE_IS_SHRIEKING:
/* XXXX Is this useful? Then need to treat MEASURE_BACKWARDS.
*/
/* Convert unsigned decimal number to binary.
* Expects a pointer to the first digit and address of length variable
* Advances char pointer to 1st non-digit char and returns number
- */
+ */
STATIC char *
S_get_num(pTHX_ register char *patptr, I32 *lenptr )
{
STATIC bool
S_next_symbol(pTHX_ tempsym_t* symptr )
{
- char* patptr = symptr->patptr;
- char* patend = symptr->patend;
+ char* patptr = symptr->patptr;
+ char* patend = symptr->patend;
const char *allowed = "";
symptr->flags &= ~FLAG_SLASH;
if (patptr < patend)
patptr++;
} else {
- /* We should have found a template code */
+ /* We should have found a template code */
I32 code = *patptr++ & 0xFF;
U32 inherited_modifiers = 0;
}
continue;
}
-
+
/* for '(', skip to ')' */
- if (code == '(') {
+ if (code == '(') {
if( isDIGIT(*patptr) || *patptr == '*' || *patptr == '[' )
Perl_croak(aTHX_ "()-group starts with a count in %s",
symptr->flags & FLAG_PACK ? "pack" : "unpack" );
/* inherit modifiers */
code |= inherited_modifiers;
- /* look for count and/or / */
+ /* look for count and/or / */
if (patptr < patend) {
if (isDIGIT(*patptr)) {
patptr = get_num( patptr, &symptr->length );
symptr->howlen = e_star;
} else if (*patptr == '[') {
- char* lenptr = ++patptr;
+ char* lenptr = ++patptr;
symptr->howlen = e_number;
patptr = group_end( patptr, patend, ']' ) + 1;
/* what kind of [] is it? */
}
symptr->code = code;
- symptr->patptr = patptr;
+ symptr->patptr = patptr;
return TRUE;
}
}
- symptr->patptr = patptr;
+ symptr->patptr = patptr;
return FALSE;
}
/*
- There is no way to cleanly handle the case where we should process the
+ There is no way to cleanly handle the case where we should process the
string per byte in its upgraded form while it's really in downgraded form
- (e.g. estimates like strend-s as an upper bound for the number of
- characters left wouldn't work). So if we foresee the need of this
- (pattern starts with U or contains U0), we want to work on the encoded
- version of the string. Users are advised to upgrade their pack string
+ (e.g. estimates like strend-s as an upper bound for the number of
+ characters left wouldn't work). So if we foresee the need of this
+ (pattern starts with U or contains U0), we want to work on the encoded
+ version of the string. Users are advised to upgrade their pack string
themselves if they need to do a lot of unpacks like this on it
*/
-STATIC bool
+STATIC bool
need_utf8(const char *pat, const char *patend)
{
bool first = TRUE;
bool utf8 = (symptr->flags & FLAG_PARSE_UTF8) ? 1 : 0;
while (next_symbol(symptr)) {
+ packprops_t props;
I32 len, ai32;
I32 datumtype = symptr->code;
/* do first one only unless in list context
break;
switch (howlen = symptr->howlen) {
- case e_star:
- len = strend - strbeg; /* long enough */
+ case e_star:
+ len = strend - strbeg; /* long enough */
break;
default:
/* e_no_len and e_number */
explicit_length = TRUE;
redo_switch:
beyond = s >= strend;
- {
- struct packsize_t *pack_props =
- &packsize[(symptr->code & TYPE_IS_SHRIEKING) ?
- PACK_SIZE_SHRIEKING : PACK_SIZE_NORMAL];
- const int rawtype = TYPE_NO_MODIFIERS(datumtype);
- int offset = rawtype - pack_props->first;
-
- if (offset >= 0 && offset < pack_props->size) {
- /* Data about this template letter */
- unsigned char data = pack_props->array[offset];
-
- if (data) {
- /* data nonzero means we can process this letter. */
- long size = data & PACK_SIZE_MASK;
- long howmany = (strend - s) / size;
- if (len > howmany)
- len = howmany;
-
- if (!checksum || (data & PACK_SIZE_CANNOT_CSUM)) {
- if (len && unpack_only_one) len = 1;
- EXTEND(SP, len);
- EXTEND_MORTAL(len);
- }
- }
+
+ props = packprops[TYPE_NO_ENDIANNESS(datumtype)];
+ if (props) {
+ /* props nonzero means we can process this letter. */
+ long size = props & PACK_SIZE_MASK;
+ long howmany = (strend - s) / size;
+ if (len > howmany)
+ len = howmany;
+
+ if (!checksum || (props & PACK_SIZE_CANNOT_CSUM)) {
+ if (len && unpack_only_one) len = 1;
+ EXTEND(SP, len);
+ EXTEND_MORTAL(len);
}
}
+
switch(TYPE_NO_ENDIANNESS(datumtype)) {
default:
Perl_croak(aTHX_ "Invalid type '%c' in unpack", (int)TYPE_NO_MODIFIERS(datumtype) );
if (s > strend)
Perl_croak(aTHX_ "'@' outside of string with malformed UTF-8 in unpack");
} else {
- if (len > strend - strrelbeg)
- Perl_croak(aTHX_ "'@' outside of string in unpack");
- s = strrelbeg + len;
+ if (len > strend - strrelbeg)
+ Perl_croak(aTHX_ "'@' outside of string in unpack");
+ s = strrelbeg + len;
}
break;
case 'X' | TYPE_IS_SHRIEKING:
last = hop;
l = len;
}
- }
+ }
if (last > s)
Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
s = last;
len--;
}
} else {
- if (len > s - strbeg)
- Perl_croak(aTHX_ "'X' outside of string in unpack" );
- s -= len;
+ if (len > s - strbeg)
+ Perl_croak(aTHX_ "'X' outside of string in unpack" );
+ s -= len;
}
break;
case 'x' | TYPE_IS_SHRIEKING:
len--;
}
} else {
- if (len > strend - s)
- Perl_croak(aTHX_ "'x' outside of string in unpack");
- s += len;
+ if (len > strend - s)
+ Perl_croak(aTHX_ "'x' outside of string in unpack");
+ s += len;
}
break;
case '/':
if (hop > strend)
Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
break;
- }
+ }
}
if (hop > strend)
Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
len -= 8;
}
else
- while (len >= 8) {
+ while (len >= 8) {
cuv += PL_bitcount[*(U8 *)s++];
- len -= 8;
- }
+ len -= 8;
+ }
if (len && s < strend) {
U8 bits;
bits = SHIFT_BYTE(utf8, s, strend, datumtype);
if (bits & 0x80) cuv++;
bits <<= 1;
}
- }
+ }
break;
}
case 'H':
case 'h': {
char *str;
- /* Preliminary length estimate, acceptable for utf8 too */
+ /* Preliminary length estimate, acceptable for utf8 too */
if (howlen == e_star || len > (strend - s) * 2)
len = (strend - s) * 2;
- sv = sv_2mortal(NEWSV(35, len ? len : 1));
+ sv = sv_2mortal(NEWSV(35, len ? len : 1));
SvPOK_on(sv);
str = SvPVX(sv);
if (datumtype == 'h') {
U8 bits = 0;
- ai32 = len;
- for (len = 0; len < ai32; len++) {
- if (len & 1) bits >>= 4;
- else if (utf8) {
- if (s >= strend) break;
+ ai32 = len;
+ for (len = 0; len < ai32; len++) {
+ if (len & 1) bits >>= 4;
+ else if (utf8) {
+ if (s >= strend) break;
bits = uni_to_byte(aTHX_ &s, strend, datumtype);
- } else bits = * (U8 *) s++;
+ } else bits = * (U8 *) s++;
*str++ = PL_hexdigit[bits & 15];
}
} else {
case 'W':
W_checksum:
if (len == 0) {
- if (explicit_length && datumtype == 'C')
+ if (explicit_length && datumtype == 'C')
/* Switch to "character" mode */
utf8 = (symptr->flags & FLAG_DO_UTF8) ? 1 : 0;
break;
}
- if (datumtype == 'C' ?
+ if (datumtype == 'C' ?
(symptr->flags & FLAG_DO_UTF8) &&
!(symptr->flags & FLAG_WAS_UTF8) : utf8) {
while (len-- > 0 && s < strend) {
cdouble += (NV) val;
else
cuv += val;
- }
+ }
} else if (!checksum)
while (len-- > 0) {
U8 ch = *(U8 *) s++;
break;
}
if (len > strend - s) len = strend - s;
- if (!checksum) {
+ if (!checksum) {
if (len && unpack_only_one) len = 1;
EXTEND(SP, len);
EXTEND_MORTAL(len);
- }
+ }
while (len-- > 0 && s < strend) {
STRLEN retlen;
UV auv;
if (!uni_to_bytes(aTHX_ &ptr, strend, result, 1, 'U'))
break;
len = UTF8SKIP(result);
- if (!uni_to_bytes(aTHX_ &ptr, strend,
+ if (!uni_to_bytes(aTHX_ &ptr, strend,
&result[1], len-1, 'U')) break;
auv = utf8n_to_uvuni(result, len, &retlen, ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANYUV);
s = ptr;
au32 = vtohl(au32);
#endif
if (!checksum)
- PUSHs(sv_2mortal(newSVuv((UV)au32)));
- else if (checksum > bits_in_uv)
- cdouble += (NV)au32;
- else
- cuv += au32;
+ PUSHs(sv_2mortal(newSVuv((UV)au32)));
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)au32;
+ else
+ cuv += au32;
}
break;
#ifdef PERL_PACK_CAN_SHRIEKSIGN
{
UV auv = 0;
U32 bytes = 0;
-
+
while (len > 0 && s < strend) {
U8 ch;
ch = SHIFT_BYTE(utf8, s, strend, datumtype);
char *aptr;
SHIFT_VAR(utf8, s, strend, aptr, datumtype);
DO_BO_UNPACK_P(aptr);
- /* newSVpvn generates undef if aptr is NULL */
- PUSHs(sv_2mortal(newSVpvn(aptr, len)));
+ /* newSVpvn generates undef if aptr is NULL */
+ PUSHs(sv_2mortal(newSVpvn(aptr, len)));
}
break;
#ifdef HAS_QUAD
PUSHs(sv_2mortal(newSVnv((NV)afloat)));
else
cdouble += afloat;
- }
+ }
break;
case 'd':
while (len-- > 0) {
PUSHs(sv_2mortal(newSVnv((NV)adouble)));
else
cdouble += adouble;
- }
+ }
break;
case 'F':
while (len-- > 0) {
PUSHs(sv_2mortal(newSVnv(anv)));
else
cdouble += anv;
- }
+ }
break;
#if defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
case 'D':
}
}
} else {
- while (s < strend && *s > ' ' && ISUUCHAR(*s)) {
- I32 a, b, c, d;
- char hunk[4];
+ while (s < strend && *s > ' ' && ISUUCHAR(*s)) {
+ I32 a, b, c, d;
+ char hunk[4];
- hunk[3] = '\0';
- len = PL_uudmap[*(U8*)s++] & 077;
- while (len > 0) {
- if (s < strend && ISUUCHAR(*s))
- a = PL_uudmap[*(U8*)s++] & 077;
- else
- a = 0;
- if (s < strend && ISUUCHAR(*s))
- b = PL_uudmap[*(U8*)s++] & 077;
- else
- b = 0;
- if (s < strend && ISUUCHAR(*s))
- c = PL_uudmap[*(U8*)s++] & 077;
- else
- c = 0;
- if (s < strend && ISUUCHAR(*s))
- d = PL_uudmap[*(U8*)s++] & 077;
- else
- d = 0;
- hunk[0] = (char)((a << 2) | (b >> 4));
- hunk[1] = (char)((b << 4) | (c >> 2));
- hunk[2] = (char)((c << 6) | d);
- sv_catpvn(sv, hunk, (len > 3) ? 3 : len);
- len -= 3;
+ hunk[3] = '\0';
+ len = PL_uudmap[*(U8*)s++] & 077;
+ while (len > 0) {
+ if (s < strend && ISUUCHAR(*s))
+ a = PL_uudmap[*(U8*)s++] & 077;
+ else
+ a = 0;
+ if (s < strend && ISUUCHAR(*s))
+ b = PL_uudmap[*(U8*)s++] & 077;
+ else
+ b = 0;
+ if (s < strend && ISUUCHAR(*s))
+ c = PL_uudmap[*(U8*)s++] & 077;
+ else
+ c = 0;
+ if (s < strend && ISUUCHAR(*s))
+ d = PL_uudmap[*(U8*)s++] & 077;
+ else
+ d = 0;
+ hunk[0] = (char)((a << 2) | (b >> 4));
+ hunk[1] = (char)((b << 4) | (c >> 2));
+ hunk[2] = (char)((c << 6) | d);
+ sv_catpvn(sv, hunk, (len > 3) ? 3 : len);
+ len -= 3;
+ }
+ if (*s == '\n')
+ s++;
+ else /* possible checksum byte */
+ if (s + 1 < strend && s[1] == '\n')
+ s += 2;
}
- if (*s == '\n')
- s++;
- else /* possible checksum byte */
- if (s + 1 < strend && s[1] == '\n')
- s += 2;
- }
}
XPUSHs(sv);
break;
XPUSHs(sv_2mortal(sv));
checksum = 0;
}
-
+
if (symptr->flags & FLAG_SLASH){
if (SP - PL_stack_base - start_sp_offset <= 0)
Perl_croak(aTHX_ "'/' must follow a numeric type in unpack");
return;
}
- /* We assume a char translates to at most 2 UTF-8 bytes */
- len = (from_end-from_ptr)*2+(from_ptr-from_start)+1;
+ len = (from_end-from_ptr)*UTF8_EXPAND+(from_ptr-from_start)+1;
New('U', to_start, len, char);
Copy(from_start, to_start, from_ptr-from_start, char);
to_ptr = to_start + (from_ptr-from_start);
#define NEXTFROM (lengthcode ? lengthcode : items-- > 0 ? *beglist++ : &PL_sv_no)
switch (howlen) {
- case e_star:
+ case e_star:
len = strchr("@Xxu", TYPE_NO_MODIFIERS(datumtype)) ?
0 : items;
break;
}
if (len) {
- struct packsize_t *pack_props =
- &packsize[(symptr->code & TYPE_IS_SHRIEKING) ?
- PACK_SIZE_SHRIEKING : PACK_SIZE_NORMAL];
- const int rawtype = TYPE_NO_MODIFIERS(datumtype);
- int offset = rawtype - pack_props->first;
-
- if (offset >= 0 && offset < pack_props->size) {
- /* Data about this template letter */
- unsigned char data = pack_props->array[offset];
-
- if (data && !(data & PACK_SIZE_UNPREDICTABLE)) {
- /* We can process this letter. */
- STRLEN size = data & PACK_SIZE_MASK;
- GROWING(utf8, cat, start, cur, (STRLEN) len * size);
- }
- }
+ packprops_t props = packprops[TYPE_NO_ENDIANNESS(datumtype)];
+ if (props && !(props & PACK_SIZE_UNPREDICTABLE)) {
+ /* We can process this letter. */
+ STRLEN size = props & PACK_SIZE_MASK;
+ GROWING(utf8, cat, start, cur, (STRLEN) len * size);
+ }
}
/* Look ahead for next symbol. Do we have code/code? */
lookahead = *symptr;
found = next_symbol(&lookahead);
- if ( symptr->flags & FLAG_SLASH ) {
+ if (symptr->flags & FLAG_SLASH) {
+ IV count;
if (!found) Perl_croak(aTHX_ "Code missing after '/' in pack");
- if ( 0 == strchr( "aAZ", lookahead.code ) ||
- e_star != lookahead.howlen )
- Perl_croak(aTHX_ "'/' must be followed by 'a*', 'A*' or 'Z*' in pack");
- lengthcode =
- sv_2mortal(newSViv((items > 0 ? DO_UTF8(*beglist) ? sv_len_utf8(*beglist) : sv_len(*beglist) : 0) + (lookahead.code == 'Z' ? 1 : 0)));
+ if (strchr("aAZ", lookahead.code)) {
+ if (lookahead.howlen == e_number) count = lookahead.length;
+ else {
+ if (items > 0)
+ count = DO_UTF8(*beglist) ?
+ sv_len_utf8(*beglist) : sv_len(*beglist);
+ else count = 0;
+ if (lookahead.code == 'Z') count++;
+ }
+ } else {
+ if (lookahead.howlen == e_number && lookahead.length < items)
+ count = lookahead.length;
+ else count = items;
+ }
+ lookahead.howlen = e_number;
+ lookahead.length = count;
+ lengthcode = sv_2mortal(newSViv(count));
}
- /* Code inside the switch must take care to properly update
- cat (CUR length and '\0' termination) if it updated *cur and
+ /* Code inside the switch must take care to properly update
+ cat (CUR length and '\0' termination) if it updated *cur and
doesn't simply leave using break */
switch(TYPE_NO_ENDIANNESS(datumtype)) {
default:
} else {
len -= cur - (start+symptr->strbeg);
if (len > 0) goto grow;
- len = -len;
+ len = -len;
if (len > 0) goto shrink;
else goto no_change;
}
break;
- case '(': {
+ case '(': {
tempsym_t savsym = *symptr;
U32 group_modifiers = TYPE_MODIFIERS(datumtype & ~symptr->flags);
symptr->flags |= group_modifiers;
len--;
}
} else {
- shrink:
+ shrink:
if (cur - start < len)
- Perl_croak(aTHX_ "'X' outside of string in pack");
+ Perl_croak(aTHX_ "'X' outside of string in pack");
cur -= len;
}
if (cur < start+symptr->strbeg) {
lookahead.strbeg = length;
}
break;
- case 'x' | TYPE_IS_SHRIEKING: {
- I32 ai32;
+ case 'x' | TYPE_IS_SHRIEKING: {
+ I32 ai32;
if (!len) /* Avoid division by 0 */
len = 1;
- if (utf8) ai32 = utf8_length(start, cur) % len;
- else ai32 = (cur - start) % len;
- if (ai32 == 0) goto no_change;
- len -= ai32;
- }
- /* FALL THROUGH */
+ if (utf8) ai32 = utf8_length(start, cur) % len;
+ else ai32 = (cur - start) % len;
+ if (ai32 == 0) goto no_change;
+ len -= ai32;
+ }
+ /* FALL THROUGH */
case 'x':
goto grow;
case 'A':
start = SvPVX(cat);
cur = start + SvCUR(cat);
}
- if (howlen == e_star) {
+ if (howlen == e_star) {
if (utf8) goto string_copy;
len = fromlen+1;
}
if (s > end)
Perl_croak(aTHX_ "Malformed UTF-8 string in pack");
if (utf8) {
- len = fromlen;
+ len = fromlen;
if (datumtype == 'Z') len++;
fromlen = s-aptr;
len += fromlen;
-
+
goto string_copy;
- }
+ }
fromlen = len - fromlen;
if (datumtype == 'Z') fromlen--;
if (howlen == e_star) {
len = fromlen;
if (datumtype == 'Z') len++;
- }
+ }
GROWING(0, cat, start, cur, len);
- if (!uni_to_bytes(aTHX_ &aptr, end, cur, fromlen,
+ if (!uni_to_bytes(aTHX_ &aptr, end, cur, fromlen,
datumtype | TYPE_IS_PACK))
Perl_croak(aTHX_ "Perl bug: predicted utf8 length not available");
cur += fromlen;
fromlen = len;
if (datumtype == 'Z' && fromlen > 0) fromlen--;
}
- /* assumes a byte expands to at most 2 bytes on upgrade:
- expected_length <= from_len*2 + (len-from_len) */
- GROWING(0, cat, start, cur, fromlen+len);
+ /* assumes a byte expands to at most UTF8_EXPAND bytes on
+ upgrade, so:
+ expected_length <= from_len*UTF8_EXPAND + (len-from_len) */
+ GROWING(0, cat, start, cur, fromlen*(UTF8_EXPAND-1)+len);
len -= fromlen;
while (fromlen > 0) {
cur = uvchr_to_utf8(cur, * (U8 *) aptr);
aptr++;
fromlen--;
- }
+ }
} else {
string_copy:
if (howlen == e_star) {
bool utf8_source;
U32 utf8_flags;
- fromstr = NEXTFROM;
- str = SvPV(fromstr, fromlen);
+ fromstr = NEXTFROM;
+ str = SvPV(fromstr, fromlen);
end = str + fromlen;
if (DO_UTF8(fromstr)) {
utf8_source = TRUE;
bits |= val & 1;
} else bits |= *str++ & 1;
if (l & 7) bits <<= 1;
- else {
+ else {
PUSH_BYTE(utf8, cur, bits);
bits = 0;
}
} else if (*str++ & 1)
bits |= 0x80;
if (l & 7) bits >>= 1;
- else {
+ else {
PUSH_BYTE(utf8, cur, bits);
bits = 0;
}
}
l--;
if (l & 7) {
- if (datumtype == 'B')
+ if (datumtype == 'B')
bits <<= 7 - (l & 7);
- else
+ else
bits >>= 7 - (l & 7);
PUSH_BYTE(utf8, cur, bits);
l += 7;
bool utf8_source;
U32 utf8_flags;
- fromstr = NEXTFROM;
- str = SvPV(fromstr, fromlen);
+ fromstr = NEXTFROM;
+ str = SvPV(fromstr, fromlen);
end = str + fromlen;
if (DO_UTF8(fromstr)) {
utf8_source = TRUE;
else
bits |= *str++ & 0xf;
if (l & 1) bits <<= 4;
- else {
+ else {
PUSH_BYTE(utf8, cur, bits);
bits = 0;
}
else
bits |= (*str++ & 0xf) << 4;
if (l & 1) bits >>= 4;
- else {
+ else {
PUSH_BYTE(utf8, cur, bits);
bits = 0;
- }
}
+ }
l--;
if (l & 1) {
PUSH_BYTE(utf8, cur, bits);
Zero(cur, field_len, char);
cur += field_len;
break;
- }
- case 'c':
+ }
+ case 'c':
while (len-- > 0) {
IV aiv;
fromstr = NEXTFROM;
fromstr = NEXTFROM;
aiv = SvIV(fromstr);
if ((0 > aiv || aiv > 0xff) &&
- ckWARN(WARN_PACK))
- Perl_warner(aTHX_ packWARN(WARN_PACK),
- "Character in 'C' format wrapped in pack");
+ ckWARN(WARN_PACK))
+ Perl_warner(aTHX_ packWARN(WARN_PACK),
+ "Character in 'C' format wrapped in pack");
*cur++ = aiv & 0xff;
}
- break;
- case 'W': {
- char *end;
- U8 in_bytes = IN_BYTES;
-
- end = start+SvLEN(cat)-1;
- if (utf8) end -= UTF8_MAXLEN-1;
- while (len-- > 0) {
- UV auv;
- fromstr = NEXTFROM;
- auv = SvUV(fromstr);
- if (in_bytes) auv = auv % 0x100;
- if (utf8) {
- W_utf8:
- if (cur > end) {
- *cur = '\0';
- SvCUR(cat) = cur - start;
-
- GROWING(0, cat, start, cur, len+UTF8_MAXLEN);
- end = start+SvLEN(cat)-UTF8_MAXLEN;
- }
- cur = uvuni_to_utf8_flags(cur, NATIVE_TO_UNI(auv),
- ckWARN(WARN_UTF8) ?
- 0 : UNICODE_ALLOW_ANY);
- } else {
- if (auv >= 0x100) {
- if (!SvUTF8(cat)) {
- *cur = '\0';
- SvCUR(cat) = cur - start;
- marked_upgrade(aTHX_ cat, symptr);
- lookahead.flags |= FLAG_DO_UTF8;
- lookahead.strbeg = symptr->strbeg;
- utf8 = 1;
- start = SvPVX(cat);
- cur = start + SvCUR(cat);
- end = start+SvLEN(cat)-UTF8_MAXLEN;
- goto W_utf8;
- }
- if (ckWARN(WARN_PACK))
- Perl_warner(aTHX_ packWARN(WARN_PACK),
- "Character in 'W' format wrapped in pack");
- auv &= 0xff;
- }
- if (cur >= end) {
- *cur = '\0';
- SvCUR(cat) = cur - start;
- GROWING(0, cat, start, cur, len+1);
- end = start+SvLEN(cat)-1;
- }
- *(U8 *) cur++ = auv;
+ break;
+ case 'W': {
+ char *end;
+ U8 in_bytes = IN_BYTES;
+
+ end = start+SvLEN(cat)-1;
+ if (utf8) end -= UTF8_MAXLEN-1;
+ while (len-- > 0) {
+ UV auv;
+ fromstr = NEXTFROM;
+ auv = SvUV(fromstr);
+ if (in_bytes) auv = auv % 0x100;
+ if (utf8) {
+ W_utf8:
+ if (cur > end) {
+ *cur = '\0';
+ SvCUR(cat) = cur - start;
+
+ GROWING(0, cat, start, cur, len+UTF8_MAXLEN);
+ end = start+SvLEN(cat)-UTF8_MAXLEN;
+ }
+ cur = uvuni_to_utf8_flags(cur, NATIVE_TO_UNI(auv),
+ ckWARN(WARN_UTF8) ?
+ 0 : UNICODE_ALLOW_ANY);
+ } else {
+ if (auv >= 0x100) {
+ if (!SvUTF8(cat)) {
+ *cur = '\0';
+ SvCUR(cat) = cur - start;
+ marked_upgrade(aTHX_ cat, symptr);
+ lookahead.flags |= FLAG_DO_UTF8;
+ lookahead.strbeg = symptr->strbeg;
+ utf8 = 1;
+ start = SvPVX(cat);
+ cur = start + SvCUR(cat);
+ end = start+SvLEN(cat)-UTF8_MAXLEN;
+ goto W_utf8;
+ }
+ if (ckWARN(WARN_PACK))
+ Perl_warner(aTHX_ packWARN(WARN_PACK),
+ "Character in 'W' format wrapped in pack");
+ auv &= 0xff;
+ }
+ if (cur >= end) {
+ *cur = '\0';
+ SvCUR(cat) = cur - start;
+ GROWING(0, cat, start, cur, len+1);
+ end = start+SvLEN(cat)-1;
+ }
+ *(U8 *) cur++ = auv;
}
}
break;
- }
- case 'U': {
- char *end;
-
- if (len == 0) {
- if (!(symptr->flags & FLAG_DO_UTF8)) {
- marked_upgrade(aTHX_ cat, symptr);
- lookahead.flags |= FLAG_DO_UTF8;
- lookahead.strbeg = symptr->strbeg;
- }
- utf8 = 0;
- goto no_change;
- }
-
- end = start+SvLEN(cat);
- if (!utf8) end -= UTF8_MAXLEN;
+ }
+ case 'U': {
+ char *end;
+
+ if (len == 0) {
+ if (!(symptr->flags & FLAG_DO_UTF8)) {
+ marked_upgrade(aTHX_ cat, symptr);
+ lookahead.flags |= FLAG_DO_UTF8;
+ lookahead.strbeg = symptr->strbeg;
+ }
+ utf8 = 0;
+ goto no_change;
+ }
+
+ end = start+SvLEN(cat);
+ if (!utf8) end -= UTF8_MAXLEN;
while (len-- > 0) {
- UV auv;
+ UV auv;
fromstr = NEXTFROM;
- auv = SvUV(fromstr);
- if (utf8) {
- char buffer[UTF8_MAXLEN], *endb;
- endb = uvuni_to_utf8_flags(buffer, auv,
- ckWARN(WARN_UTF8) ?
- 0 : UNICODE_ALLOW_ANY);
- if (cur >= end-(endb-buffer)*2) {
- *cur = '\0';
- SvCUR(cat) = cur - start;
- GROWING(0, cat, start, cur, len+(endb-buffer)*2);
- end = start+SvLEN(cat)-UTF8_MAXLEN;
- }
- bytes_to_uni(aTHX_ buffer, endb-buffer, &cur);
- } else {
- if (cur >= end) {
- *cur = '\0';
- SvCUR(cat) = cur - start;
- GROWING(0, cat, start, cur, len+UTF8_MAXLEN);
- end = start+SvLEN(cat)-UTF8_MAXLEN;
- }
- cur = uvuni_to_utf8_flags(cur, auv,
- ckWARN(WARN_UTF8) ?
- 0 : UNICODE_ALLOW_ANY);
- }
+ auv = SvUV(fromstr);
+ if (utf8) {
+ char buffer[UTF8_MAXLEN], *endb;
+ endb = uvuni_to_utf8_flags(buffer, auv,
+ ckWARN(WARN_UTF8) ?
+ 0 : UNICODE_ALLOW_ANY);
+ if (cur+(endb-buffer)*UTF8_EXPAND >= end) {
+ *cur = '\0';
+ SvCUR(cat) = cur - start;
+ GROWING(0, cat, start, cur,
+ len+(endb-buffer)*UTF8_EXPAND);
+ end = start+SvLEN(cat);
+ }
+ bytes_to_uni(aTHX_ buffer, endb-buffer, &cur);
+ } else {
+ if (cur >= end) {
+ *cur = '\0';
+ SvCUR(cat) = cur - start;
+ GROWING(0, cat, start, cur, len+UTF8_MAXLEN);
+ end = start+SvLEN(cat)-UTF8_MAXLEN;
+ }
+ cur = uvuni_to_utf8_flags(cur, auv,
+ ckWARN(WARN_UTF8) ?
+ 0 : UNICODE_ALLOW_ANY);
+ }
}
break;
- }
+ }
/* Float and double added by gnb@melba.bby.oz.au 22/11/89 */
case 'f':
while (len-- > 0) {
anv = SvNV(fromstr);
#ifdef __VOS__
/* VOS does not automatically map a floating-point overflow
- during conversion from double to float into infinity, so we
- do it by hand. This code should either be generalized for
- any OS that needs it, or removed if and when VOS implements
- posix-976 (suggestion to support mapping to infinity).
- Paul.Green@stratus.com 02-04-02. */
+ during conversion from double to float into infinity, so we
+ do it by hand. This code should either be generalized for
+ any OS that needs it, or removed if and when VOS implements
+ posix-976 (suggestion to support mapping to infinity).
+ Paul.Green@stratus.com 02-04-02. */
if (anv > FLT_MAX)
- afloat = _float_constants[0]; /* single prec. inf. */
+ afloat = _float_constants[0]; /* single prec. inf. */
else if (anv < -FLT_MAX)
- afloat = _float_constants[0]; /* single prec. inf. */
+ afloat = _float_constants[0]; /* single prec. inf. */
else afloat = (float) anv;
#else /* __VOS__ */
# if defined(VMS) && !defined(__IEEE_FP)
/* IEEE fp overflow shenanigans are unavailable on VAX and optional
- * on Alpha; fake it if we don't have them.
- */
+ * on Alpha; fake it if we don't have them.
+ */
if (anv > FLT_MAX)
- afloat = FLT_MAX;
+ afloat = FLT_MAX;
else if (anv < -FLT_MAX)
- afloat = -FLT_MAX;
+ afloat = -FLT_MAX;
else afloat = (float)anv;
# else
afloat = (float)anv;
anv = SvNV(fromstr);
#ifdef __VOS__
/* VOS does not automatically map a floating-point overflow
- during conversion from long double to double into infinity,
- so we do it by hand. This code should either be generalized
- for any OS that needs it, or removed if and when VOS
- implements posix-976 (suggestion to support mapping to
- infinity). Paul.Green@stratus.com 02-04-02. */
+ during conversion from long double to double into infinity,
+ so we do it by hand. This code should either be generalized
+ for any OS that needs it, or removed if and when VOS
+ implements posix-976 (suggestion to support mapping to
+ infinity). Paul.Green@stratus.com 02-04-02. */
if (anv > DBL_MAX)
- adouble = _double_constants[0]; /* double prec. inf. */
+ adouble = _double_constants[0]; /* double prec. inf. */
else if (anv < -DBL_MAX)
- adouble = _double_constants[0]; /* double prec. inf. */
+ adouble = _double_constants[0]; /* double prec. inf. */
else adouble = (double) anv;
#else /* __VOS__ */
# if defined(VMS) && !defined(__IEEE_FP)
/* IEEE fp overflow shenanigans are unavailable on VAX and optional
- * on Alpha; fake it if we don't have them.
- */
+ * on Alpha; fake it if we don't have them.
+ */
if (anv > DBL_MAX)
- adouble = DBL_MAX;
+ adouble = DBL_MAX;
else if (anv < -DBL_MAX)
- adouble = -DBL_MAX;
+ adouble = -DBL_MAX;
else adouble = (double)anv;
# else
adouble = (double)anv;
PUSH_VAR(utf8, cur, adouble);
}
break;
- case 'F': {
- NV anv;
+ case 'F': {
+ NV anv;
Zero(&anv, 1, NV); /* can be long double with unused bits */
while (len-- > 0) {
fromstr = NEXTFROM;
anv = SvNV(fromstr);
DO_BO_PACK_N(anv, NV);
- PUSH_VAR(utf8, cur, anv);
+ PUSH_VAR(utf8, cur, anv);
}
break;
- }
+ }
#if defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
- case 'D': {
- long double aldouble;
+ case 'D': {
+ long double aldouble;
/* long doubles can have unused bits, which may be nonzero */
Zero(&aldouble, 1, long double);
while (len-- > 0) {
fromstr = NEXTFROM;
aldouble = (long double)SvNV(fromstr);
DO_BO_PACK_N(aldouble, long double);
- PUSH_VAR(utf8, cur, aldouble);
+ PUSH_VAR(utf8, cur, aldouble);
}
break;
- }
+ }
#endif
#ifdef PERL_PACK_CAN_SHRIEKSIGN
case 'n' | TYPE_IS_SHRIEKING:
break;
case 'S' | TYPE_IS_SHRIEKING:
#if SHORTSIZE != SIZE16
- while (len-- > 0) {
+ while (len-- > 0) {
unsigned short aushort;
- fromstr = NEXTFROM;
- aushort = SvUV(fromstr);
- DO_BO_PACK(aushort, s);
+ fromstr = NEXTFROM;
+ aushort = SvUV(fromstr);
+ DO_BO_PACK(aushort, s);
PUSH_VAR(utf8, cur, aushort);
- }
+ }
break;
#else
/* Fall through! */
#endif
case 'S':
- while (len-- > 0) {
+ while (len-- > 0) {
U16 au16;
- fromstr = NEXTFROM;
- au16 = (U16)SvUV(fromstr);
- DO_BO_PACK(au16, 16);
+ fromstr = NEXTFROM;
+ au16 = (U16)SvUV(fromstr);
+ DO_BO_PACK(au16, 16);
PUSH16(utf8, cur, &au16);
}
break;
case 's' | TYPE_IS_SHRIEKING:
#if SHORTSIZE != SIZE16
- while (len-- > 0) {
+ while (len-- > 0) {
short ashort;
- fromstr = NEXTFROM;
- ashort = SvIV(fromstr);
- DO_BO_PACK(ashort, s);
+ fromstr = NEXTFROM;
+ ashort = SvIV(fromstr);
+ DO_BO_PACK(ashort, s);
PUSH_VAR(utf8, cur, ashort);
}
break;
in, (result + len) - in);
Safefree(result);
SvREFCNT_dec(norm); /* free norm */
- }
+ }
}
break;
case 'i':
break;
case 'L' | TYPE_IS_SHRIEKING:
#if LONGSIZE != SIZE32
- while (len-- > 0) {
+ while (len-- > 0) {
unsigned long aulong;
- fromstr = NEXTFROM;
- aulong = SvUV(fromstr);
- DO_BO_PACK(aulong, l);
+ fromstr = NEXTFROM;
+ aulong = SvUV(fromstr);
+ DO_BO_PACK(aulong, l);
PUSH_VAR(utf8, cur, aulong);
}
break;
/* Fall though! */
#endif
case 'L':
- while (len-- > 0) {
+ while (len-- > 0) {
U32 au32;
- fromstr = NEXTFROM;
- au32 = SvUV(fromstr);
- DO_BO_PACK(au32, 32);
+ fromstr = NEXTFROM;
+ au32 = SvUV(fromstr);
+ DO_BO_PACK(au32, 32);
PUSH32(utf8, cur, &au32);
}
break;
case 'l' | TYPE_IS_SHRIEKING:
#if LONGSIZE != SIZE32
- while (len-- > 0) {
+ while (len-- > 0) {
long along;
- fromstr = NEXTFROM;
- along = SvIV(fromstr);
- DO_BO_PACK(along, l);
+ fromstr = NEXTFROM;
+ along = SvIV(fromstr);
+ DO_BO_PACK(along, l);
PUSH_VAR(utf8, cur, along);
}
break;
(SvTEMP(fromstr) || (SvPADTMP(fromstr) &&
!SvREADONLY(fromstr)))) {
Perl_warner(aTHX_ packWARN(WARN_PACK),
- "Attempt to pack pointer to temporary value");
+ "Attempt to pack pointer to temporary value");
}
if (SvPOK(fromstr) || SvNIOK(fromstr))
aptr = SvPV_flags(fromstr, n_a, 0);
PUSH_VAR(utf8, cur, aptr);
}
break;
- case 'u': {
- char *aptr, *aend;
- bool from_utf8;
+ case 'u': {
+ char *aptr, *aend;
+ bool from_utf8;
fromstr = NEXTFROM;
- if (len <= 2) len = 45;
- else len = len / 3 * 3;
- if (len >= 64) {
- Perl_warner(aTHX_ packWARN(WARN_PACK),
- "Field too wide in 'u' format in pack");
- len = 63;
- }
+ if (len <= 2) len = 45;
+ else len = len / 3 * 3;
+ if (len >= 64) {
+ Perl_warner(aTHX_ packWARN(WARN_PACK),
+ "Field too wide in 'u' format in pack");
+ len = 63;
+ }
aptr = SvPV(fromstr, fromlen);
- from_utf8 = DO_UTF8(fromstr);
- if (from_utf8) {
- aend = aptr + fromlen;
- fromlen = sv_len_utf8(fromstr);
- } else aend = NULL; /* Unused, but keep compilers happy */
- GROWING(utf8, cat, start, cur, (fromlen+2) / 3 * 4 + (fromlen+len-1)/len * 2);
+ from_utf8 = DO_UTF8(fromstr);
+ if (from_utf8) {
+ aend = aptr + fromlen;
+ fromlen = sv_len_utf8(fromstr);
+ } else aend = NULL; /* Unused, but keep compilers happy */
+ GROWING(utf8, cat, start, cur, (fromlen+2) / 3 * 4 + (fromlen+len-1)/len * 2);
while (fromlen > 0) {
- U8 *end;
+ U8 *end;
I32 todo;
- U8 hunk[1+63/3*4+1];
+ U8 hunk[1+63/3*4+1];
if ((I32)fromlen > len)
todo = len;
else
todo = fromlen;
- if (from_utf8) {
- char buffer[64];
- if (!uni_to_bytes(aTHX_ &aptr, aend, buffer, todo,
- 'u' | TYPE_IS_PACK)) {
- *cur = '\0';
- SvCUR(cat) = cur - start;
- Perl_croak(aTHX_ "Assertion: string is shorter than advertised");
- }
- end = doencodes(hunk, buffer, todo);
- } else {
- end = doencodes(hunk, aptr, todo);
- aptr += todo;
- }
- PUSH_BYTES(utf8, cur, hunk, end-hunk);
- fromlen -= todo;
- }
+ if (from_utf8) {
+ char buffer[64];
+ if (!uni_to_bytes(aTHX_ &aptr, aend, buffer, todo,
+ 'u' | TYPE_IS_PACK)) {
+ *cur = '\0';
+ SvCUR(cat) = cur - start;
+ Perl_croak(aTHX_ "Assertion: string is shorter than advertised");
+ }
+ end = doencodes(hunk, buffer, todo);
+ } else {
+ end = doencodes(hunk, aptr, todo);
+ aptr += todo;
+ }
+ PUSH_BYTES(utf8, cur, hunk, end-hunk);
+ fromlen -= todo;
+ }
break;
}
}
projects / p5sagit/p5-mst-13.2.git / blobdiff